#-*- coding:utf-8 -*-

import os
from flask import Flask, request
from flask_bootstrap import Bootstrap
from config import config
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from os import path
from werkzeug.routing import BaseConverter
from werkzeug.utils import secure_filename


class RegexConverter(BaseConverter):
    def __init__(self, url_map, *item):
        super(RegexConverter, self).__init__(url_map)
        self.regex=item[0]

basedir = path.abspath(path.dirname(__file__))

bootstrap = Bootstrap()
db = SQLAlchemy()
login_manager = LoginManager()
login_manager.session_protection = 'strong'
login_manager.login_view = 'auth.login'


def create_app(config_name):
    app = Flask(__name__)
    app.config.from_object(config[config_name])
    config[config_name].init_app(app)

    db.init_app(app)
    bootstrap.init_app(app)
    login_manager.init_app(app)


    from .auth import auth as auth_blueprint
    from .main import main as main_blueprint
    app.register_blueprint(main_blueprint)
    app.register_blueprint(auth_blueprint, url_prefix='/auth')

    @app.template_test('current_link')
    def is_current_link(link):
        return link == request.path

    @app.template_filter('dateformat')
    def dformat(value, format="%Y-%m-%d %H:%M:%S"):
        return value.strftime(format)


    return app








